Golang Engineer

Job Title: Senior Golang Engineer

Location: O’Fallon, MO (Hybrid)
Duration: 6+ Months Contract

Job Description

We are seeking a Senior Golang Engineer with strong backend development experience in GoLang, Python, and AWS to build scalable, cloud-native applications. The ideal candidate will have hands-on experience developing microservices from scratch, building proofs of concept (POCs) and prototypes, and implementing CI/CD pipelines.

The project involves building a cloud-native payment orchestration platform that enables cardholders to seamlessly access Mastercard digital services directly through their banking applications using a single, streamlined integration.

Key Responsibilities

• Design, develop, and maintain scalable backend services using GoLang and Python.

• Build microservices from scratch using cloud-native architecture and best practices.

• Develop POCs and prototypes to validate technical solutions and new capabilities.

• Build and deploy applications using AWS ECS, Fargate, and other AWS services.

• Implement and maintain CI/CD pipelines to automate build, testing, and deployment processes.

• Collaborate with cross-functional teams to deliver secure, reliable, and high-performance applications.

• Contribute to cloud-native application development and payment platform integration.

Required Skills

• 4–7 years of experience in backend software development.

• Strong hands-on experience with GoLang (Golang) and Python.

• Experience developing Python APIs using FastAPI.

• Strong experience building microservices from scratch.

• Hands-on experience with AWS ECS and Fargate.

• Experience with CI/CD pipelines and automated deployment.

• Knowledge of AWS cloud services and cloud-native application development.

Nice-to-Have Skills

• Experience with AI AgentCore Runtime.

• Frontend development experience using Angular and/or React.

• Experience with Kubernetes and containerized applications.

• Familiarity with payment platforms, payment orchestration, or digital banking integrations.

Additional Information

• Work Location: Hybrid – O’Fallon, MO

• Contract Duration: 6+ Months

Interested candidates: Please share your updated resume, current location, work authorization, and availability.